Fault DTC C1787 Damper Control Relay Short to GND DTC C1788 Damper Control Relay Short to Bat Powertrain Codes: DTC P0030 HO2S Heater Control Circuit Bank 1 Sensor 1 DTC P0031 HO2S Heater Circuit Low Voltage Bank 1 Sensor 1 DTC P0032 HO2S Heater Circuit High Voltage Bank 1 Sensor 1 DTC...